10 bestEngine Oil Treatmentsof December 2025
112M consumers helped this year.
1

Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly

9.8
2

Liqui Moly 2037 Pro-Line Engine Flush - 500 Milliliters
Liqui Moly

9.6
3

Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly

9.3
38% off
4

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)
TriboTEX

9.0
5

Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil

8.7
Other
6

Liqui Moly 2020 Motor Oil Saver - 300 ml
Liqui Moly

8.5
7

Liqui Moly 2009 Anti-Friction Oil Treatment -pk2 by Liqui Moly
Liqui Moly

8.2
8

XADO Engine Oil System Cleaner with Anti-Carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (Bottle, 250ml)
XADO

7.9
9

XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of Worn Metal Surfaces - Metal Conditioner With Revitalizant 1 Stage Maximum (Up To 5qt Of Oil Capacity)
XADO

7.6
10

*H/D Oil Stabilizer/4x1/Gallon
Lucas Oil

7.3
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